David K. Joyce

Powellite, Zeolite

3.8x3.7x2.5 cm

Powellite, ZeolitePowellite, ZeolitePowellite, Zeolite

Item number: 21302

Two sharp powellite crystals, 10mm and 11mm on edge are nicely positioned on a zeolite mineral, probably mesolite. Also a couple of stilbite crystals associated with the powellites. As you can see in the attached photo, the powellite crystals are nicely fluorescent. Nice example!